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Current Conditions: ALTON/ST LOUIS R

Clear


41.0 F
Last Updated on Dec 6 2025, 11:50 AM CST
Humidity: %
Wind Speed: 4.7 mph
Barometer in
Dewpoint: F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 37.9 F
Current conditions at:

ALTON/ST LOUIS R (KALN)

Lat: 38.9 Lon: 90.05

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Observation History for ALTON/ST LOUIS R


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)		 Rmks
11:50 AM CST 4.7 10.00 Clear -- 41.0 % 37.9 NA M
10:50 AM CST 3.4 10.00 Clear -- 39.2 % 37.0 NA M
09:50 AM CST 0.0 10.00 Clear -- 37.4 % NA NA M
08:50 AM CST W 5.8 10.00 Mostly Clear -- 33.8 % 28.6 NA M
07:50 AM CST 5.8 10.00 Mostly Cloudy -- 33.8 % 28.6 NA M
07:30 AM CST W 4.7 10.00 Mostly Cloudy -- 33.8 % 29.5 NA M
06:50 AM CST W 8.1 10.00 Cloudy -- 33.8 % 27.0 NA M
06:35 AM CST 3.4 10.00 Cloudy -- 32.4 % 29.3 NA M
06:15 AM CST W 4.7 10.00 Cloudy -- 30.7 % 25.9 NA M
05:55 AM CST W 5.8 10.00 Partly Cloudy -- 31.5 % 25.7 NA M
05:35 AM CST W 6.9 10.00 Clear -- 29.8 % 23.0 NA M
05:15 AM CST W 5.7 10.00 Clear -- 30.7 % 25.0 NA M
04:55 AM CST W 5.8 10.00 Clear -- 31.8 % 26.2 NA M
04:35 AM CST W 6.9 10.00 Clear -- 31.8 % 25.3 NA M
04:15 AM CST W 5.8 10.00 Clear -- 32.4 % 26.8 NA M
03:55 AM CST W 5.8 10.00 Clear -- 34.2 % 28.9 NA M
03:35 AM CST 5.8 10.00 Clear -- 34.0 % 28.8 NA M
03:15 AM CST 6.9 10.00 Clear -- 33.8 % 27.7 NA M
02:55 AM CST 4.7 10.00 Clear -- 34.2 % 29.8 NA M
02:35 AM CST W 3.4 10.00 Partly Cloudy -- 34.5 % 31.6 NA M
02:15 AM CST 5.8 10.00 Partly Cloudy -- 32.9 % 27.5 NA M
01:55 AM CST 5.8 10.00 Clear -- 32.0 % 26.4 NA M
01:35 AM CST 5.8 10.00 Clear -- 32.0 % 26.4 NA M
01:15 AM CST SW 5.8 10.00 Clear -- 33.3 % 27.9 NA M

Regional Weather Observation


ALTON/ST LOUIS R (KALN)

Clear
41.0 F

ST CHARLES (KSET)

Clear
39.2 F

ST LOUIS (KSTL)

Clear
44.6 F

LITCHFIELD MUNI (K3LF)

Clear
37.2 F

JACKSONVILLE (KIJX)

Clear
37.4 F

ST LOUIS/SPIRIT (KSUS)

Clear
46.4 F

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